Massaquoi, 29 had spent 2012-2014 with the Falcons but did not appear in a game last season. Massaquoi, who signed with the Chiefs in March, has appeared in 39 career games, starting four, posting 45 tackles and six sacks during his career.

To make for Melvin (listed below), the Dolphins have waived tight end Jake Stoneburner, the club announced. Stoneburner, who was offered a restricted free agent tender this spring, managed five receptions in 11 games for Miami last season.

The Bills have swapped out defensive tackles, signing Casey Walker while releasing Cedric Reed, the team announced. Walker, 26, has eight career games under his belt, having seen action with the Ravens, Patriots, and most recently, the Cowboys.

The Chiefs have signed defensive back Bryce Cheek, and opened up a roster spot by waiving fellow defensive back Tre Jones, the club announced.

Earlier updates:

Fourth-year cornerback Rashaan Melvin signed with the Dolphins, according to agent Mike McCartney (via Jenna Laine of ESPN.com, on Twitter). Melvin started two games for the Ravens in 2014 and spent 2015 with both the Ravens and Patriots, playing in eight games for the latter.

The Cardinals swapped out wide receivers by signing Franky Okafor and waiving Rico Richardson, Josh Weinfuss of ESPN.com tweets. Okafor is a rookie UDFA out of Division II Southwestern Oklahoma State. Richardson has played in six games since coming into the league in 2014, all with the Titans.

Meanwhile, the Ravens have used their final roster spot to sign punter Michael Palardy, tweets ESPN.com’s Jamison Hensley. The former Tennessee special teamer has also spent time with the Raiders, Rams, and Panthers.

The Bills have signed offensive lineman Chris Martin to a one-year contract, according to agent Brett Tessler (Twitter link). Martin, 26, has been a member of seven NFL teams and spent time on the Bills’ practice squad last season.

After being waived by the Cowboys, cornerback Terrance Mitchell will latch on with the other NFL club in Texas, as the Texans have claimed him off waivers, reports Mark Berman of FOX26 (Twitter link).

The Lions waived wide receiver Austin Willis and signed defensive back Keith Lewis today, as Dave Birkett of The Detroit Free Press tweets.

The Chargers cut safety Matt Daniels from injured reserve, per Aaron Wilson of The Houston Chronicle (Twitter link). the two sides presumably reached an injury settlement.

The Chiefs have signed former Akron defensive back Bryce Cheek (Akron) while the Rams have inked former San Diego State long snapper Jeff Overbaugh (San Diego State), Howard Balzer of USA Today Sports tweets.

The Chiefs (Twitter link) announced that they have signed defensive back Bryce Cheek and waived safety Peni Vea.

The Cowboys announced that they have waived cornerback Terrance Mitchell, who had one of their two interceptions by cornerbacks last season. The move is slightly surprising because Jason Garrett spoke highly of Mitchell earlier in the offseason, ESPN.com’s Todd Archer observes (Twitter link).

The Cowboys also waived cornerback Brandon McGee with an injury designation.